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| author | Sven Wegener <sven.wegener@stealer.net> | 2008-10-13 10:41:39 +0100 |
|---|---|---|
| committer | Richard Purdie <rpurdie@linux.intel.com> | 2008-10-20 22:37:04 +0100 |
| commit | dd8e5a2039607e0f79c33549726a2415d977c938 (patch) | |
| tree | 942cfaf23b21797dd8d8be4a22c4d2a8107a2545 /drivers/leds | |
| parent | 6af4f55c31764c2d97ddf59ae2149cd1769e2e25 (diff) | |
| download | linux-3.10-dd8e5a2039607e0f79c33549726a2415d977c938.tar.gz linux-3.10-dd8e5a2039607e0f79c33549726a2415d977c938.tar.bz2 linux-3.10-dd8e5a2039607e0f79c33549726a2415d977c938.zip | |
leds: Remove uneeded strlen calls
There's no need for the additional call to strlen(), we can directly
return the value returned by sprintf(). We now return a length value
that doesn't include the final '\0', but user space shouldn't bother
about it anyway.
Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/led-class.c | 5 | ||||
| -rw-r--r-- | drivers/leds/ledtrig-timer.c | 8 |
2 files changed, 3 insertions, 10 deletions
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index ee74ee7b2ac..8a7d138ec50 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -34,14 +34,11 @@ static ssize_t led_brightness_show(struct device *dev, struct device_attribute *attr, char *buf) { struct led_classdev *led_cdev = dev_get_drvdata(dev); - ssize_t ret = 0; /* no lock needed for this */ led_update_brightness(led_cdev); - sprintf(buf, "%u\n", led_cdev->brightness); - ret = strlen(buf) + 1; - return ret; + return sprintf(buf, "%u\n", led_cdev->brightness); } static ssize_t led_brightness_store(struct device *dev, diff --git a/drivers/leds/ledtrig-timer.c b/drivers/leds/ledtrig-timer.c index 5c99f4f0c69..db681962d7b 100644 --- a/drivers/leds/ledtrig-timer.c +++ b/drivers/leds/ledtrig-timer.c @@ -70,9 +70,7 @@ static ssize_t led_delay_on_show(struct device *dev, struct led_classdev *led_cdev = dev_get_drvdata(dev); struct timer_trig_data *timer_data = led_cdev->trigger_data; - sprintf(buf, "%lu\n", timer_data->delay_on); - - return strlen(buf) + 1; + return sprintf(buf, "%lu\n", timer_data->delay_on); } static ssize_t led_delay_on_store(struct device *dev, @@ -116,9 +114,7 @@ static ssize_t led_delay_off_show(struct device *dev, struct led_classdev *led_cdev = dev_get_drvdata(dev); struct timer_trig_data *timer_data = led_cdev->trigger_data; - sprintf(buf, "%lu\n", timer_data->delay_off); - - return strlen(buf) + 1; + return sprintf(buf, "%lu\n", timer_data->delay_off); } static ssize_t led_delay_off_store(struct device *dev, |